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首页> 外文期刊>Range Management & Agroforestry >Effect of different fertilizer levels on root nodulation and fodder quality in rice bean (Vigna umbellata) genotypes.
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Effect of different fertilizer levels on root nodulation and fodder quality in rice bean (Vigna umbellata) genotypes.

机译：不同肥料水平对基因型水稻（Vigna umbellata ）根瘤和饲料品质的影响。

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摘要

Studies were conducted to determine the effect of different levels of N, P and K on nodulation and quality traits of fodder in rice bean genotypes. The treatments consisting of NPK levels viz; 0:0:0 (T0) control or 10:30:10 (T1) and 20:60:20 (T2) kg/ha exhibited significant differences amongst the genotypes in nodulation. Genotypic response of rice bean (Vigna umbellata (Thunb) Ohwi and Ohashi) to Rhizobium spp. was studied in terms of nodule number and fresh weight (g) under different fertilizer treatments. Genotype IC-140796 was observed to have significantly high number of nodules and fresh weight (g), whereas, IC-137200 and JCR-107 had significantly lower number of nodules in comparison to the check (BRS-2). Fertilizer treatments significantly affected nodule number and weight. Crude fibre and total ash increased significantly in the fodder samples with increasing rates of N, P and K, whereas, crude protein content showed non-significant effects. Number and nodule weight showed significant positive of correlation between T1 and control, whereas plant biomass and days to flowering showed significant positive between association T2. Plant biomass showed positive correlation with crude fibre in T2, whereas, crude protein and ash content had positive correlation in T1 and T2. Ash and nodule number showed positive association in control only. Among the three treatments under study, T2 treatment with NPK ratio @ 20:60:20 Kg ha-1 was observed promising for nodulation and quality traits.
机译：进行了研究以确定不同水平的N，P和K对水稻基因型稻米结瘤和饲料品质性状的影响。由NPK水平 viz 组成的治疗; 0：0：0（T 0 ）控件或10:30:10（T 1 ）和20:60:20（T 2 公斤/公顷在结瘤基因型之间表现出显着差异。稻豆（ Vigna umbellata （Thunb）Ohwi和Ohashi）对 Rhizobium spp的基因型反应。根据不同肥料处理的结节数和鲜重（g）进行了研究。观察到基因型IC-140796的结节数量和鲜重显着较高（g），而IC-137200和JCR-107的结节数量则显着低于对照（BRS-2）。化肥处理显着影响根瘤数量和重量。饲料样品中的粗纤维和总灰分随N，P和K的增加而显着增加，而粗蛋白含量显示不显着影响。 T 1 和对照之间的数量和结节重量呈显着正相关，而T 2 之间的植物生物量和开花天数呈显着正相关。 T 2 中植物生物量与粗纤维呈正相关，而T 1 和T 2 中粗蛋白与灰分呈正相关。灰分和结节数仅在对照中显示正相关。在所研究的三种处理中，以NPK比率为20:60:20 Kg ha -1 的T 2 处理被认为具有结瘤和品质性状。

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